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Table 2 DQO specification for the sum of exclusive species. MQO: measurement quality objectives (tolerated sum of exclusive species b + c, DQL: data quality limits (expected proportion of samples that meet the MQO)

From: Analysing the quality of Swiss National Forest Inventory measurements of woody species richness

AttributeMQO (b + c)DQL (%)Coverage thresholda
WoodySp280< 5%
FoEdge380 
UpStorey075< 6%
  1. aCoverage threshold: exclusive species with coverage lower than the threshold were not counted